ARE – SWPPP Questions And Answers
Vegetative cover provides a number of critical benefits in preventing erosion: - Absorbs
the energy of raindrops
- Slows velocity of runoff
- Increases infiltration
- Helps bind the soil
It is usually easier and less expensive to prevent erosion than it is...
Vegetative cover provides a number of critical benefits in preventing erosion: - Absorbs
the energy of raindrops
- Slows velocity of runoff
- Increases infiltration
- Helps bind the soil
It is usually easier and less expensive to prevent erosion than it is to: Control sediment
from leaving a construction site
Erosion vs. Sedimentation *Erosion* - the process by which the land surface is worn
away by the action of water or wind.
*Sedimentation* - the movement and settling out of suspension of soil particles
Structural BMPs - Silt Fences
- Sedimentation Ponds
- Erosion Control Blankets
- Temporary/Permanent Seeding
, ARE – SWPPP Questions And Answers
Non-Structural BMPs - Picking up trash and debris
- Sweeping up nearby sidewalks and streets
- Maintaining equipment
- Training site staff on erosion and sediment control practices
What are the federal requirements for stormwater runoff from construction sites? The
Clean Water Act and associated federal regulations require nearly all construction site operators
engaged in clearing, grading, and excavating activities *that disturb one acre or more, including
smaller sites in a larger common plan of development or sale*, to obtain coverage under a
National Pollutant Discharge Elimination System Permit for their stormwater discharges.
The EPA can issue one or more NPDES construction general permits for a designated time
period, usually ____ years 5 years
An EPA permit covers: All stormwater discharges associated with construction activity in
a given state for a designated time period.
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